javax.jms.TopicPublisher Maven / Gradle / Ivy
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package javax.jms;
/** A client uses a TopicPublisher object to publish messages on a
* topic. A TopicPublisher object is the publish-subscribe form
* of a message producer.
*
* Normally, the Topic is specified when a
* TopicPublisher is created. In this case, an attempt to use
* the publish methods for an unidentified
* TopicPublisher will throw a
* java.lang.UnsupportedOperationException.
*
*
If the TopicPublisher is created with an unidentified
* Topic, an attempt to use the publish methods that
* assume that the Topic has been identified will throw a
* java.lang.UnsupportedOperationException.
*
*
During the execution of its publish method,
* a message must not be changed by other threads within the client.
* If the message is modified, the result of the publish is
* undefined.
*
*
After publishing a message, a client may retain and modify it
* without affecting the message that has been published. The same message
* object may be published multiple times.
*
*
The following message headers are set as part of publishing a
* message: JMSDestination, JMSDeliveryMode,
* JMSExpiration, JMSPriority,
* JMSMessageID and JMSTimeStamp.
* When the message is published, the values of these headers are ignored.
* After completion of the publish, the headers hold the values
* specified by the method publishing the message. It is possible for the
* publish method not to set JMSMessageID and
* JMSTimeStamp if the
* setting of these headers is explicitly disabled by the
* MessageProducer.setDisableMessageID or
* MessageProducer.setDisableMessageTimestamp method.
*
*
Creating a MessageProducer provides the same features as
* creating a TopicPublisher. A MessageProducer object is
* recommended when creating new code. The TopicPublisher is
* provided to support existing code.
*
*
Because TopicPublisher inherits from
* MessageProducer, it inherits the
* send methods that are a part of the MessageProducer
* interface. Using the send methods will have the same
* effect as using the
* publish methods: they are functionally the same.
*
*
* @version 1.1 February 2, 2002
* @author Mark Hapner
* @author Rich Burridge
* @author Kate Stout
*
* @see Session#createProducer(Destination)
* @see TopicSession#createPublisher(Topic)
*/
public interface TopicPublisher extends MessageProducer {
/** Gets the topic associated with this TopicPublisher.
*
* @return this publisher's topic
*
* @exception JMSException if the JMS provider fails to get the topic for
* this TopicPublisher
* due to some internal error.
*/
Topic
getTopic() throws JMSException;
/** Publishes a message to the topic.
* Uses the TopicPublisher's default delivery mode, priority,
* and time to live.
*
* @param message the message to publish
*
* @exception JMSException if the JMS provider fails to publish the message
* due to some internal error.
* @exception MessageFormatException if an invalid message is specified.
* @exception InvalidDestinationException if a client uses this method
* with a TopicPublisher with
* an invalid topic.
* @exception java.lang.UnsupportedOperationException if a client uses this
* method with a TopicPublisher that
* did not specify a topic at creation time.
*
* @see javax.jms.MessageProducer#getDeliveryMode()
* @see javax.jms.MessageProducer#getTimeToLive()
* @see javax.jms.MessageProducer#getPriority()
*/
void
publish(Message message) throws JMSException;
/** Publishes a message to the topic, specifying delivery mode,
* priority, and time to live.
*
* @param message the message to publish
* @param deliveryMode the delivery mode to use
* @param priority the priority for this message
* @param timeToLive the message's lifetime (in milliseconds)
*
* @exception JMSException if the JMS provider fails to publish the message
* due to some internal error.
* @exception MessageFormatException if an invalid message is specified.
* @exception InvalidDestinationException if a client uses this method
* with a TopicPublisher with
* an invalid topic.
* @exception java.lang.UnsupportedOperationException if a client uses this
* method with a TopicPublisher that
* did not specify a topic at creation time.
*/
void
publish(Message message,
int deliveryMode,
int priority,
long timeToLive) throws JMSException;
/** Publishes a message to a topic for an unidentified message producer.
* Uses the TopicPublisher's default delivery mode,
* priority, and time to live.
*
*
Typically, a message producer is assigned a topic at creation
* time; however, the JMS API also supports unidentified message producers,
* which require that the topic be supplied every time a message is
* published.
*
* @param topic the topic to publish this message to
* @param message the message to publish
*
* @exception JMSException if the JMS provider fails to publish the message
* due to some internal error.
* @exception MessageFormatException if an invalid message is specified.
* @exception InvalidDestinationException if a client uses
* this method with an invalid topic.
*
* @see javax.jms.MessageProducer#getDeliveryMode()
* @see javax.jms.MessageProducer#getTimeToLive()
* @see javax.jms.MessageProducer#getPriority()
*/
void
publish(Topic topic, Message message) throws JMSException;
/** Publishes a message to a topic for an unidentified message
* producer, specifying delivery mode, priority and time to live.
*
*
Typically, a message producer is assigned a topic at creation
* time; however, the JMS API also supports unidentified message producers,
* which require that the topic be supplied every time a message is
* published.
*
* @param topic the topic to publish this message to
* @param message the message to publish
* @param deliveryMode the delivery mode to use
* @param priority the priority for this message
* @param timeToLive the message's lifetime (in milliseconds)
*
* @exception JMSException if the JMS provider fails to publish the message
* due to some internal error.
* @exception MessageFormatException if an invalid message is specified.
* @exception InvalidDestinationException if a client uses
* this method with an invalid topic.
*/
void
publish(Topic topic,
Message message,
int deliveryMode,
int priority,
long timeToLive) throws JMSException;
}